Refrigerator



FIG. 1 is a perspective view of a refrigerator in accordance with my new design;

FIG. 2 is a is a front elevation view thereof;

FIG. 3 is a is a rear elevation view thereof;

FIG. 4 is a is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a right side elevation view thereof, the left side elevation being identical thereto. 

The ornamental design for refrigerator, as shown and described. 